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powerpc: Remove IBM405 Erratum #77

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This erratum is dedicated to IBM 405GP and STB03xxx
which are now gone.

Remove this erratum.

Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/44dbc08e9034681eb28324cbabc086e97044c36c.1590079969.git.christophe.leroy@csgroup.eu
This commit is contained in:
Christophe Leroy
2020-05-21 16:56:02 +00:00
committed by Michael Ellerman
parent 59fb463b48
commit 455531e9d8
10 changed files with 0 additions and 73 deletions
Download Patch File Download Diff File Expand all files Collapse all files
arch/powerpc/include/asm/atomic.h
-11
View File
@@ -10,7 +10,6 @@
#include <linux/types.h>
#include <asm/cmpxchg.h>
#include <asm/barrier.h>
#include <asm/asm-405.h>
#define ATOMIC_INIT(i) { (i) }
@@ -47,7 +46,6 @@ static __inline__ void atomic_##op(int a, atomic_t *v) \
__asm__ __volatile__( \
"1: lwarx %0,0,%3 # atomic_" #op "\n" \
#asm_op " %0,%2,%0\n" \
PPC405_ERR77(0,%3) \
" stwcx. %0,0,%3 \n" \
" bne- 1b\n" \
: "=&r" (t), "+m" (v->counter) \
@@ -63,7 +61,6 @@ static inline int atomic_##op##_return_relaxed(int a, atomic_t *v) \
__asm__ __volatile__( \
"1: lwarx %0,0,%3 # atomic_" #op "_return_relaxed\n" \
#asm_op " %0,%2,%0\n" \
PPC405_ERR77(0, %3) \
" stwcx. %0,0,%3\n" \
" bne- 1b\n" \
: "=&r" (t), "+m" (v->counter) \
@@ -81,7 +78,6 @@ static inline int atomic_fetch_##op##_relaxed(int a, atomic_t *v) \
__asm__ __volatile__( \
"1: lwarx %0,0,%4 # atomic_fetch_" #op "_relaxed\n" \
#asm_op " %1,%3,%0\n" \
PPC405_ERR77(0, %4) \
" stwcx. %1,0,%4\n" \
" bne- 1b\n" \
: "=&r" (res), "=&r" (t), "+m" (v->counter) \
@@ -130,7 +126,6 @@ static __inline__ void atomic_inc(atomic_t *v)
__asm__ __volatile__(
"1: lwarx %0,0,%2 # atomic_inc\n\
addic %0,%0,1\n"
PPC405_ERR77(0,%2)
" stwcx. %0,0,%2 \n\
bne- 1b"
: "=&r" (t), "+m" (v->counter)
@@ -146,7 +141,6 @@ static __inline__ int atomic_inc_return_relaxed(atomic_t *v)
__asm__ __volatile__(
"1: lwarx %0,0,%2 # atomic_inc_return_relaxed\n"
" addic %0,%0,1\n"
PPC405_ERR77(0, %2)
" stwcx. %0,0,%2\n"
" bne- 1b"
: "=&r" (t), "+m" (v->counter)
@@ -163,7 +157,6 @@ static __inline__ void atomic_dec(atomic_t *v)
__asm__ __volatile__(
"1: lwarx %0,0,%2 # atomic_dec\n\
addic %0,%0,-1\n"
PPC405_ERR77(0,%2)\
" stwcx. %0,0,%2\n\
bne- 1b"
: "=&r" (t), "+m" (v->counter)
@@ -179,7 +172,6 @@ static __inline__ int atomic_dec_return_relaxed(atomic_t *v)
__asm__ __volatile__(
"1: lwarx %0,0,%2 # atomic_dec_return_relaxed\n"
" addic %0,%0,-1\n"
PPC405_ERR77(0, %2)
" stwcx. %0,0,%2\n"
" bne- 1b"
: "=&r" (t), "+m" (v->counter)
@@ -220,7 +212,6 @@ static __inline__ int atomic_fetch_add_unless(atomic_t *v, int a, int u)
cmpw 0,%0,%3 \n\
beq 2f \n\
add %0,%2,%0 \n"
PPC405_ERR77(0,%2)
" stwcx. %0,0,%1 \n\
bne- 1b \n"
PPC_ATOMIC_EXIT_BARRIER
@@ -251,7 +242,6 @@ static __inline__ int atomic_inc_not_zero(atomic_t *v)
cmpwi 0,%0,0\n\
beq- 2f\n\
addic %1,%0,1\n"
PPC405_ERR77(0,%2)
" stwcx. %1,0,%2\n\
bne- 1b\n"
PPC_ATOMIC_EXIT_BARRIER
@@ -280,7 +270,6 @@ static __inline__ int atomic_dec_if_positive(atomic_t *v)
cmpwi %0,1\n\
addi %0,%0,-1\n\
blt- 2f\n"
PPC405_ERR77(0,%1)
" stwcx. %0,0,%1\n\
bne- 1b"
PPC_ATOMIC_EXIT_BARRIER